Update dist/preview release/what's new.md
Update dist/preview release/what's new.md

Co-Authored-By: Drigax <21eb2b1fce43c44d1a33b16305d3610c3e970f51@gmail.com>
sebavan/Babylon.js,Kesshi/Babylon.js,Kesshi/Babylon.js,sebavan/Babylon.js,jbousquie/Babylon.js,NicolasBuecher/Babylon.js,BabylonJS/Babylon.js,RaananW/Babylon.js,BabylonJS/Babylon.js,BabylonJS/Babylon.js,NicolasBuecher/Babylon.js,Kesshi/Babylon.js,NicolasBuecher/Babylon.js,RaananW/Babylon.js,jbousquie/Babylon.js,jbousquie/Babylon.js,sebavan/Babylon.js,RaananW/Babylon.js